Analysis
-
max time kernel
174s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:14
Static task
static1
Behavioral task
behavioral1
Sample
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe
Resource
win10v2004-20221111-en
General
-
Target
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe
-
Size
602KB
-
MD5
8b4f8c33fc5068f93c675fed75ef606c
-
SHA1
26edff5203cc98f309d670082a24d73c995130ae
-
SHA256
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88
-
SHA512
a5be5924553a8e6b455aa71c38baa97eea2727f9a6de8f109b28115f3b9bbd72a19b5c8ec5edd858e9d53fa9ec2abb7976a0890215cd63d8e331c3f249e92cb6
-
SSDEEP
12288:XIny5DYT2uHIxMENzo1wMPNLFtWxB7OQxzr+l5:/UT24IxZk+4FWMQg
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 3408 installd.exe 3844 nethtsrv.exe 1596 netupdsrv.exe 1948 nethtsrv.exe 4436 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exeinstalld.exenethtsrv.exenethtsrv.exepid process 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 3408 installd.exe 3844 nethtsrv.exe 3844 nethtsrv.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 1948 nethtsrv.exe 1948 nethtsrv.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in System32 directory 5 IoCs
Processes:
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exedescription ioc process File created C:\Windows\SysWOW64\installd.exe b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Windows\SysWOW64\nethtsrv.exe b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Windows\SysWOW64\netupdsrv.exe b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Windows\SysWOW64\hfnapi.dll b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Windows\SysWOW64\hfpapi.dll b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe -
Drops file in Program Files directory 3 IoCs
Processes:
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 1 IoCs
Processes:
nethtsrv.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections nethtsrv.exe -
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 664 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1948 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exenet.exenet.exenet.exenet.exedescription pid process target process PID 2152 wrote to memory of 3616 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 3616 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 3616 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 3616 wrote to memory of 516 3616 net.exe net1.exe PID 3616 wrote to memory of 516 3616 net.exe net1.exe PID 3616 wrote to memory of 516 3616 net.exe net1.exe PID 2152 wrote to memory of 3452 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 3452 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 3452 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 3452 wrote to memory of 316 3452 net.exe net1.exe PID 3452 wrote to memory of 316 3452 net.exe net1.exe PID 3452 wrote to memory of 316 3452 net.exe net1.exe PID 2152 wrote to memory of 3408 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe installd.exe PID 2152 wrote to memory of 3408 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe installd.exe PID 2152 wrote to memory of 3408 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe installd.exe PID 2152 wrote to memory of 3844 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe nethtsrv.exe PID 2152 wrote to memory of 3844 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe nethtsrv.exe PID 2152 wrote to memory of 3844 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe nethtsrv.exe PID 2152 wrote to memory of 1596 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe netupdsrv.exe PID 2152 wrote to memory of 1596 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe netupdsrv.exe PID 2152 wrote to memory of 1596 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe netupdsrv.exe PID 2152 wrote to memory of 2680 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 2680 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 2680 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2680 wrote to memory of 4884 2680 net.exe net1.exe PID 2680 wrote to memory of 4884 2680 net.exe net1.exe PID 2680 wrote to memory of 4884 2680 net.exe net1.exe PID 2152 wrote to memory of 1400 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 1400 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 2152 wrote to memory of 1400 2152 b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe net.exe PID 1400 wrote to memory of 4352 1400 net.exe net1.exe PID 1400 wrote to memory of 4352 1400 net.exe net1.exe PID 1400 wrote to memory of 4352 1400 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe"C:\Users\Admin\AppData\Local\Temp\b49430c11200d7e874a2575399c7975209733533c6a1e13f73247135cd5dac88.exe"1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:516
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:316
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3408 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3844 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1596 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:4884
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:4352
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1948
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
106KB
MD5f3e4e2730063116806bb5de8ea293079
SHA1cba85494736a0e2c1371b805d08f258e85fcbf25
SHA25677269d17d063da11b18cb45fa0710957a7c22ddb18adc13083b4852736d1e847
SHA512148dcd31389ab49a28ccc27f0de79feaa5c6236e33518c84e4cf4824e90f46ab6f64c89a973d4985c68add1caa5b869a286e041d6ec41afdb1e620b9a20e0ffa
-
Filesize
106KB
MD5f3e4e2730063116806bb5de8ea293079
SHA1cba85494736a0e2c1371b805d08f258e85fcbf25
SHA25677269d17d063da11b18cb45fa0710957a7c22ddb18adc13083b4852736d1e847
SHA512148dcd31389ab49a28ccc27f0de79feaa5c6236e33518c84e4cf4824e90f46ab6f64c89a973d4985c68add1caa5b869a286e041d6ec41afdb1e620b9a20e0ffa
-
Filesize
106KB
MD5f3e4e2730063116806bb5de8ea293079
SHA1cba85494736a0e2c1371b805d08f258e85fcbf25
SHA25677269d17d063da11b18cb45fa0710957a7c22ddb18adc13083b4852736d1e847
SHA512148dcd31389ab49a28ccc27f0de79feaa5c6236e33518c84e4cf4824e90f46ab6f64c89a973d4985c68add1caa5b869a286e041d6ec41afdb1e620b9a20e0ffa
-
Filesize
106KB
MD5f3e4e2730063116806bb5de8ea293079
SHA1cba85494736a0e2c1371b805d08f258e85fcbf25
SHA25677269d17d063da11b18cb45fa0710957a7c22ddb18adc13083b4852736d1e847
SHA512148dcd31389ab49a28ccc27f0de79feaa5c6236e33518c84e4cf4824e90f46ab6f64c89a973d4985c68add1caa5b869a286e041d6ec41afdb1e620b9a20e0ffa
-
Filesize
241KB
MD516ac3c123d2af5a518d3279fba570b9e
SHA16bcdce2f9469d78126afd39de1bad85dc67840ff
SHA2566763730944bfb1d16cd23475b0a3651728e6a18aed29ab068bc045e4b54e2639
SHA512d5d2cd6ba67ed15e439b36c31624ef2f5c4932d20fe5fca5be0ccad4e719feb9d04d6c8b2a4e0f2f8a03ccb787e5af377fbddd87f4cebfd7c3fbbc3061ac138b
-
Filesize
241KB
MD516ac3c123d2af5a518d3279fba570b9e
SHA16bcdce2f9469d78126afd39de1bad85dc67840ff
SHA2566763730944bfb1d16cd23475b0a3651728e6a18aed29ab068bc045e4b54e2639
SHA512d5d2cd6ba67ed15e439b36c31624ef2f5c4932d20fe5fca5be0ccad4e719feb9d04d6c8b2a4e0f2f8a03ccb787e5af377fbddd87f4cebfd7c3fbbc3061ac138b
-
Filesize
241KB
MD516ac3c123d2af5a518d3279fba570b9e
SHA16bcdce2f9469d78126afd39de1bad85dc67840ff
SHA2566763730944bfb1d16cd23475b0a3651728e6a18aed29ab068bc045e4b54e2639
SHA512d5d2cd6ba67ed15e439b36c31624ef2f5c4932d20fe5fca5be0ccad4e719feb9d04d6c8b2a4e0f2f8a03ccb787e5af377fbddd87f4cebfd7c3fbbc3061ac138b
-
Filesize
108KB
MD5e476e5332a0109805530d976d37cf301
SHA10ec20c05699da7a6f7d576e86a4b90495bd34443
SHA2562e5798b7b66ac1a3459f5b4c422708f8e21746f420a25b70f067b45e33c837f2
SHA512a7d38f8d9728965db601e5b60672b858654c81ae2b3371c83bc1e61480a8768b28d75871dc7dafee4da25b5c70c96765e42f623b8508ba579f2995ae56c2a79b
-
Filesize
108KB
MD5e476e5332a0109805530d976d37cf301
SHA10ec20c05699da7a6f7d576e86a4b90495bd34443
SHA2562e5798b7b66ac1a3459f5b4c422708f8e21746f420a25b70f067b45e33c837f2
SHA512a7d38f8d9728965db601e5b60672b858654c81ae2b3371c83bc1e61480a8768b28d75871dc7dafee4da25b5c70c96765e42f623b8508ba579f2995ae56c2a79b
-
Filesize
176KB
MD5f16f66ae7a783cf344a18fd3a33056e5
SHA1eb9e8dad06a2d56dae2aa3cced1c82929ff9fc10
SHA2569e45ec948787f4ecfdcf574f2d094282aa32d4947a7afa91fad43245d3e98351
SHA512be65ad755756e995a865b4ff811e0e186512655cf20cc18e2b999f7b1fbdc1c9e1ec7bd84ca568001eff6ac7030911501c88904d449f5a76e3520e159e2f3f78
-
Filesize
176KB
MD5f16f66ae7a783cf344a18fd3a33056e5
SHA1eb9e8dad06a2d56dae2aa3cced1c82929ff9fc10
SHA2569e45ec948787f4ecfdcf574f2d094282aa32d4947a7afa91fad43245d3e98351
SHA512be65ad755756e995a865b4ff811e0e186512655cf20cc18e2b999f7b1fbdc1c9e1ec7bd84ca568001eff6ac7030911501c88904d449f5a76e3520e159e2f3f78
-
Filesize
176KB
MD5f16f66ae7a783cf344a18fd3a33056e5
SHA1eb9e8dad06a2d56dae2aa3cced1c82929ff9fc10
SHA2569e45ec948787f4ecfdcf574f2d094282aa32d4947a7afa91fad43245d3e98351
SHA512be65ad755756e995a865b4ff811e0e186512655cf20cc18e2b999f7b1fbdc1c9e1ec7bd84ca568001eff6ac7030911501c88904d449f5a76e3520e159e2f3f78
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Filesize
158KB
MD509dab34b29e612c660588891918afcaf
SHA11da897c550765acb55c7bfcc3c368af976bb8980
SHA256f33a9f850cc40263e3f40ead9f776def55059df8cfe8e734cfc30e2e7037dc83
SHA512f160fe46947b39d4ac133ee5ee62a7ad54a624fc1d81490b31c46f0104e3756976c510364589e0f2d99f96a178f4cf84fb177a851ae2aac0e5a51788388884af
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Filesize
158KB
MD509dab34b29e612c660588891918afcaf
SHA11da897c550765acb55c7bfcc3c368af976bb8980
SHA256f33a9f850cc40263e3f40ead9f776def55059df8cfe8e734cfc30e2e7037dc83
SHA512f160fe46947b39d4ac133ee5ee62a7ad54a624fc1d81490b31c46f0104e3756976c510364589e0f2d99f96a178f4cf84fb177a851ae2aac0e5a51788388884af
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Filesize
158KB
MD509dab34b29e612c660588891918afcaf
SHA11da897c550765acb55c7bfcc3c368af976bb8980
SHA256f33a9f850cc40263e3f40ead9f776def55059df8cfe8e734cfc30e2e7037dc83
SHA512f160fe46947b39d4ac133ee5ee62a7ad54a624fc1d81490b31c46f0104e3756976c510364589e0f2d99f96a178f4cf84fb177a851ae2aac0e5a51788388884af